Why Do We Fall — Science STD 9 — Question

Which type of simple tissue of plants os used for making ropes?

Which type of tissues are more common in plants.

What is ammonification?

1. P-V, Q-IV, R-III, S-II, T-I
2. P-I, Q-II, R-IV, S-III, T-V
3. P-II, Q-V, R-IV, S-III, T-I
4. P-V, Q-III, R-IV, S- II, T-I

Picks the odd one out and justify your choice by giving reasons.

Sea cucumber, Octopus, Feather star, Star fish.

How many categories are there in hierarchy classification?

Name the phylum in which pharyngeal gill slits are present but notochors is absent.